WO2005094255A2 - Element de support de charge pour ascenseur, la gaine de l'element presentant au moins une surface exterieure rugueuse - Google Patents

Element de support de charge pour ascenseur, la gaine de l'element presentant au moins une surface exterieure rugueuse Download PDF

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Publication number
WO2005094255A2
WO2005094255A2 PCT/US2004/008167 US2004008167W WO2005094255A2 WO 2005094255 A2 WO2005094255 A2 WO 2005094255A2 US 2004008167 W US2004008167 W US 2004008167W WO 2005094255 A2 WO2005094255 A2 WO 2005094255A2
Authority
WO
WIPO (PCT)
Prior art keywords
jacket
load bearing
bearing member
roughening
rough
Prior art date
Application number
PCT/US2004/008167
Other languages
English (en)
Other versions
WO2005094255A3 (fr
Inventor
Mark S. Thompson
William A. Veronesi
John Pitts
Ary O. Mello
Hugh J. O'donnell
John P. Wesson
William C. Perron
Douglas E. Logan
Kathryn Rauss
Richard Phillips
Peter Schreiner
Pierangelo Jotti
Original Assignee
Otis Elevator Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35064239&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2005094255(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to DE602004029613T priority Critical patent/DE602004029613D1/de
Priority to US10/588,806 priority patent/US8449349B2/en
Priority to AT04821853T priority patent/ATE484357T1/de
Priority to CN200480042412A priority patent/CN100581727C/zh
Priority to ES04821853.1T priority patent/ES2353504T5/es
Priority to ES10013551.6T priority patent/ES2527309T3/es
Priority to EP10013551.6A priority patent/EP2316613B1/fr
Application filed by Otis Elevator Company filed Critical Otis Elevator Company
Priority to BRPI0418568-4A priority patent/BRPI0418568B1/pt
Priority to PCT/US2004/008167 priority patent/WO2005094255A2/fr
Priority to EP04821853.1A priority patent/EP1725375B2/fr
Priority to JP2007503880A priority patent/JP2007529394A/ja
Publication of WO2005094255A2 publication Critical patent/WO2005094255A2/fr
Publication of WO2005094255A3 publication Critical patent/WO2005094255A3/fr
Priority to HK07109031.5A priority patent/HK1104259A1/xx
Priority to US13/886,391 priority patent/US8734203B2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/062—Belts
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/156—Coating two or more articles simultaneously
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
    • D07B5/006—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties by the properties of an outer surface polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C2059/027—Grinding; Polishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2003—Thermoplastics
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2064—Polyurethane resins
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2007—Elevators

Definitions

  • the resulting coefficient of friction between the jacket and an elevator sheave surface may be higher or lower than desirable for meeting the traction requirements within the hoistway.
  • Typical processes result in a smooth or glossy exterior of the jacket on the sheave contacting surfaces. In some instances, this smoothness can introduce undesirable adhesion between the jacket and a traction sheave. In most cases, the resulting coefficient of friction between the smooth surface and a traction sheave is not consistent with desired traction performance.
  • An alternative arrangement is required to minimize or eliminate the undesirable friction characteristics of a urethane jacket. This invention addresses that need.
  • this invention is a load bearing member for use in an elevator system that includes at least one rough surface on an exterior of a urethane jacket.
  • One example load bearing member includes a plurality of tension members.
  • a jacket generally surrounds the tension members.
  • the jacket has at least one rough surface on an exterior of the jacket.
  • the jacket has a generally rectangular cross-section including a width and a thickness.
  • the rough surface extends across the entire width of the jacket.
  • the rough surface includes a plurality of impressions that have a depth of at least approximately five microns.
  • the one surface includes a plurality of grooves extending across the width of the jacket with a section of the jacket between each set of adjacent grooves.
  • An example method of making a load bearing member for use in an elevator system includes roughening at least one surface of a urethane jacket that generally surrounds a plurality of tension members.
  • the surface is chemically roughened using a chemical wash or chemical etching technique, for example.
  • the surface is mechanically roughened using at least one of abrading, rubbing or grinding the jacket surface.
  • the surface is roughened by embossing the surface.
  • the jacket is extruded onto the tension members and a temperature of an extrusion device is controlled to roughen the one surface. In one example, causing melt fracture roughens the surface.
  • Figure 1 schematically illustrates a portion of an example load being member designed according to one embodiment of this invention.
  • Figure 2 schematically illustrates a portion of another example load bearing member designed according to another embodiment of this invention.
  • Figure 3 is a cross-sectional illustration taken along the lines 3-3 in Figure 2.
  • Figure 4 is a schematic illustration of an example method of making a load bearing member designed according to an embodiment of this invention.
  • Figure 5 schematically illustrates an example tool for performing another example method.
  • Figure 6 schematically illustrates one example device used in an embodiment as shown in Figure 4.
  • Figure 7 schematically illustrates another example device used in an embodiment as shown in Figure 4.
  • Figure 8 schematically illustrates another example device used in an embodiment as shown in Figure 4.
  • the jacket 44 has exterior surfaces 46 and 48. At least one of the surfaces 46 or 48 will contact a traction sheave and possibly other components within the elevator system as the load bearing member 40 moves to provide the desired elevator cab movement. At least the exterior surface 46 is rough across the width W and along the length L of the example load bearing member 40.
  • the example assembly includes a plurality of spaced grooves 47 periodically interrupting the surface 46, which result from some belt-making techniques. The portions of the cords at the groove locations may be at least partially exposed and not fully covered with the material of the jacket 44 as known. Even though the grooves 47 interrupt the surface 46, they are not considered to contribute to or to constitute the roughness of the surface 46.
  • the roughness of the example surface 46 includes a plurality of surface irregularities that make the surface 46 rough (i.e., not smooth).
  • a plurality of impressions 49 are disbursed about the surface 46.
  • the pattern of the surface irregularities may be established in a controlled manner.
  • the surface irregularities are randomly disbursed across the surface 46.
  • a plurality of impressions 49 are provided on the surface 46 that are on the order of at least two microns deep. In another example, impressions of about 5 microns deep are included. Deeper impressions or other surface interruptions could be used.
  • the impressions in an ester based TPU may be more shallow than those in an ether based TPU jacket with similar results, for example.
  • One example includes a surface 46 that has a texture that generally corresponds to a surface texture on a sheave in the elevator system where the load bearing member is employed. Having a jacket roughness that generally corresponds to a sheave roughness includes a roughness on the jacket surface that is in a general range between about l/10 th the roughness of the sheave and about 10 times the roughness of the sheave. By selecting the roughness of the sheave surface and the jacket, a combination of the surface textures ensures the desired traction performance.
  • Figures 2 and 3 show another example embodiment of a load bearing member
  • the various additives to a polyurethane material typically migrate to the exterior surface and form a thin layer, which may be less than .1 millimeter, containing "impurities" added to the stock of polyurethane.
  • Inducing melt fracture (by lowering the temperature of the opening 80 relative to the rest of the mold, for example) allows the typical amide-rich layer to only partially form and results in an irregular surface 46 that has a roughness sufficient for accomplishing the objectives of an embodiment of this invention.
  • the micro-irregularities in the surface 46 caused by melt fracture may include impressions 49 on the order of five microns, which is sufficient to enhance the friction characteristics of the jacket 44 for some polyurethane materials.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Sliding-Contact Bearings (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Support Of The Bearing (AREA)

Abstract

L'invention porte sur un ensemble de support de charge pour ascenseur comprenant au moins une surface rugosifiée (46) sur une gaine de polyuréthane (44). On procède, en l'occurrence, à une rugosification mécanique de la surface (46) après extrusion de la gaine sur des éléments de tensionnement (42). Pour cela, on régule les températures de moulage de la gaine (44) de façon à induire des marques de coulée et à rugosifier la surface (46) pendant le processus de formage. Selon d'autres modes de mise en oeuvre, on peut aussi procéder à une rugosification chimique de la surface de la gaine et chauffer localement de façon à rugosifier la surface. La surface de la gaine rugosifiée améliore les caractéristiques de friction d'un ensemble d'éléments de support de charge.
PCT/US2004/008167 2004-03-15 2004-03-15 Element de support de charge pour ascenseur, la gaine de l'element presentant au moins une surface exterieure rugueuse WO2005094255A2 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
JP2007503880A JP2007529394A (ja) 2004-03-15 2004-03-15 少なくとも一つの外面が粗面化されたジャケットを有するエレベーターの耐荷重部材
EP10013551.6A EP2316613B1 (fr) 2004-03-15 2004-03-15 Procéde de fabrication d'un élément de support de charge d'ascenseur, la gaine de l'élément présentant au moins une surface extérieure rugueuse
AT04821853T ATE484357T1 (de) 2004-03-15 2004-03-15 Verfahren zur herstellung eines lasttragenden glieds für aufzugsanlagen mit einem mantel mit mindestens einer rauen aussenfläche
CN200480042412A CN100581727C (zh) 2004-03-15 2004-03-15 具有带至少一个粗糙外表面的护套的电梯承重元件
BRPI0418568-4A BRPI0418568B1 (pt) 2004-03-15 2004-03-15 Método de produzir um elemento de sustentação de carga para utilização em um sistema de elevador
ES10013551.6T ES2527309T3 (es) 2004-03-15 2004-03-15 Un método de fabricación de un elemento de soporte de carga de ascensor que tiene una envoltura con al menos una superficie exterior rugosa
US10/588,806 US8449349B2 (en) 2004-03-15 2004-03-15 Elevator load bearing member having a jacket with at least one rough exterior surface
DE602004029613T DE602004029613D1 (de) 2004-03-15 2004-03-15 Verfahren zur Herstellung eines LASTTRAGENDEN GLIEDS FÜR AUFZUGSANLAGEN MIT EINEM MANTEL MIT MINDESTENS EINER RAUEN AUSSENFLÄCHE
ES04821853.1T ES2353504T5 (es) 2004-03-15 2004-03-15 Método de fabricación de un miembro de soporte de carga de ascensor que tiene una envoltura con al menos una superficie exterior rugosa
PCT/US2004/008167 WO2005094255A2 (fr) 2004-03-15 2004-03-15 Element de support de charge pour ascenseur, la gaine de l'element presentant au moins une surface exterieure rugueuse
EP04821853.1A EP1725375B2 (fr) 2004-03-15 2004-03-15 Procédé de fabrication d'un ELEMENT DE SUPPORT DE CHARGE POUR ASCENSEUR, LA GAINE DE L'ELEMENT PRESENTANT AU MOINS UNE SURFACE EXTERIEURE RUGUEUSE
HK07109031.5A HK1104259A1 (en) 2004-03-15 2007-08-20 Elevator load bearing member having a jacket with at least one rough exterior surface
US13/886,391 US8734203B2 (en) 2004-03-15 2013-05-03 Elevator load bearing member having a jacket with at least one rough exterior surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2004/008167 WO2005094255A2 (fr) 2004-03-15 2004-03-15 Element de support de charge pour ascenseur, la gaine de l'element presentant au moins une surface exterieure rugueuse

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10/588,806 A-371-Of-International US8449349B2 (en) 2004-03-15 2004-03-15 Elevator load bearing member having a jacket with at least one rough exterior surface
US13/886,391 Continuation US8734203B2 (en) 2004-03-15 2013-05-03 Elevator load bearing member having a jacket with at least one rough exterior surface

Publications (2)

Publication Number Publication Date
WO2005094255A2 true WO2005094255A2 (fr) 2005-10-13
WO2005094255A3 WO2005094255A3 (fr) 2006-01-19

Family

ID=35064239

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/008167 WO2005094255A2 (fr) 2004-03-15 2004-03-15 Element de support de charge pour ascenseur, la gaine de l'element presentant au moins une surface exterieure rugueuse

Country Status (10)

Country Link
US (2) US8449349B2 (fr)
EP (2) EP1725375B2 (fr)
JP (1) JP2007529394A (fr)
CN (1) CN100581727C (fr)
AT (1) ATE484357T1 (fr)
BR (1) BRPI0418568B1 (fr)
DE (1) DE602004029613D1 (fr)
ES (2) ES2353504T5 (fr)
HK (1) HK1104259A1 (fr)
WO (1) WO2005094255A2 (fr)

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EP1851071A1 (fr) * 2005-02-09 2007-11-07 Otis Elevator Company Element porteur d'ascenseur dote d'une gaine comportant au moins une surface exterieure ameliorant la traction
DE102006020633B3 (de) * 2006-05-04 2007-11-29 Contitech Antriebssysteme Gmbh Flachriemen
EP1951439A1 (fr) * 2005-10-27 2008-08-06 Otis Elevator Company Ensemble de suspension de charge d'ascenseur comportant une gaine a plusieurs compositions polymeres
US20090166132A1 (en) * 2004-01-06 2009-07-02 Inventio Ag Elevator System Having a Flat Belt with Wedge-Shaped Ribs
EP2349163A1 (fr) * 2008-09-11 2011-08-03 Cambridge Technologies, Inc. Sangle de levage permettant une prévention des infections
WO2011142775A1 (fr) 2010-05-13 2011-11-17 Otis Elevator Company Suspension d'ascenseur et/ou ensemble d'entraînement ayant au moins une surface de traction définie par des fibres d'armures
US20120015187A1 (en) * 2005-09-13 2012-01-19 O'donnell Hugh Method of making a load bearing member for an elevator system
WO2012039781A1 (fr) 2010-09-20 2012-03-29 Otis Elevator Company Suspension et/ou ensemble d'entraînement d'ascenseur doté au moins d'une surface de traction comprenant des fibres d'armure exposées
CH705350A1 (de) * 2011-08-09 2013-02-15 Brugg Drahtseil Ag Zugorgan mit einer Kraftübertragungsoberfläche mit unterschiedlichen Reibeigenschaften.
US9745224B2 (en) 2011-10-07 2017-08-29 Boral Ip Holdings (Australia) Pty Limited Inorganic polymer/organic polymer composites and methods of making same
US9752015B2 (en) 2014-08-05 2017-09-05 Boral Ip Holdings (Australia) Pty Limited Filled polymeric composites including short length fibers
US9932457B2 (en) 2013-04-12 2018-04-03 Boral Ip Holdings (Australia) Pty Limited Composites formed from an absorptive filler and a polyurethane
US9988512B2 (en) 2015-01-22 2018-06-05 Boral Ip Holdings (Australia) Pty Limited Highly filled polyurethane composites
US10010468B2 (en) 2008-09-11 2018-07-03 1073849 Ontario Limited Infection control strap and patient lifting system
US10030126B2 (en) 2015-06-05 2018-07-24 Boral Ip Holdings (Australia) Pty Limited Filled polyurethane composites with lightweight fillers
US10086542B2 (en) 2004-06-24 2018-10-02 Century-Board Usa, Llc Method for molding three-dimensional foam products using a continuous forming apparatus
US10138341B2 (en) 2014-07-28 2018-11-27 Boral Ip Holdings (Australia) Pty Limited Use of evaporative coolants to manufacture filled polyurethane composites
US10472281B2 (en) 2015-11-12 2019-11-12 Boral Ip Holdings (Australia) Pty Limited Polyurethane composites with fillers

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US7794224B2 (en) 2004-09-28 2010-09-14 Woodbridge Corporation Apparatus for the continuous production of plastic composites
WO2007112105A2 (fr) 2006-03-24 2007-10-04 Century-Board Usa, Llc Extrusion de matériaux composites en polyuréthanne
US9481759B2 (en) 2009-08-14 2016-11-01 Boral Ip Holdings Llc Polyurethanes derived from highly reactive reactants and coal ash
US8846776B2 (en) 2009-08-14 2014-09-30 Boral Ip Holdings Llc Filled polyurethane composites and methods of making same
US8480841B2 (en) 2010-04-13 2013-07-09 Ceralog Innovation Belgium BVBA Powder overlay
US20130167967A1 (en) * 2010-09-20 2013-07-04 Otis Elevator Company Elevator Suspension and/or Driving Assembly Having at Least One Traction Surface Comprising Exposed Weave Fibers
WO2012099604A1 (fr) * 2011-01-21 2012-07-26 Otis Elevator Company Système et procédé pour réduire un bruit de courroie
DE102011005323A1 (de) * 2011-03-10 2012-09-13 Sgl Carbon Se Verfahren zur Herstellung eines mit einer Polymerschicht ummantelten Zugträgers
BR112014008143B1 (pt) * 2011-10-13 2021-02-17 Bekaert Advanced Cords Aalter Nv montagem de mancal de carga e método para fabricar a mesma
US20140311323A1 (en) * 2011-11-16 2014-10-23 Hjortur Erlendsson High traction synthetic rope for powered blocks and methods
KR101516906B1 (ko) * 2011-12-26 2015-05-04 산동 따예 컴퍼니., 리미티드 철선 템퍼링 처리액 소제 장치
CN104302569B (zh) * 2012-05-16 2017-10-13 奥的斯电梯公司 用于电梯***的滑轮
US9994423B2 (en) 2013-11-22 2018-06-12 Otis Elevator Company Resurfacing of belt for elevator system
HRP20230506T1 (hr) 2014-07-16 2023-08-04 Välinge Innovation AB Postupak proizvodnje termoplastične folije otporne na habanje
MY188739A (en) * 2015-01-14 2021-12-27 Valinge Innovation Ab A method to produce a wear resistant layer with different gloss levels
US10556775B2 (en) 2016-02-09 2020-02-11 Otis Elevator Company Surface construction of elevator belt
CN111201193A (zh) * 2017-10-17 2020-05-26 因温特奥股份公司 包括具备不同的沟槽几何形状的转向元件的电梯设备
US11535498B2 (en) 2018-05-17 2022-12-27 Liftwave, Inc. Fleet and twist tolerant flat belt design
US11407616B2 (en) * 2020-01-24 2022-08-09 Otis Elevator Company Elevator belt surface protection for installation
CN114906704B (zh) * 2022-05-11 2023-07-25 苏州默顿快速电梯有限公司 一种平稳运行电梯

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EP1725375A4 (fr) 2009-02-18
EP1725375B2 (fr) 2018-01-24
BRPI0418568A (pt) 2007-06-19
WO2005094255A3 (fr) 2006-01-19
JP2007529394A (ja) 2007-10-25
DE602004029613D1 (de) 2010-11-25
ES2353504T3 (es) 2011-03-02
EP2316613A2 (fr) 2011-05-04
EP1725375A2 (fr) 2006-11-29
US20130277879A1 (en) 2013-10-24
EP2316613B1 (fr) 2014-12-24
ES2353504T5 (es) 2018-04-30
EP1725375B1 (fr) 2010-10-13
EP2316613A3 (fr) 2011-08-17
BRPI0418568B1 (pt) 2015-06-23
US8449349B2 (en) 2013-05-28
US8734203B2 (en) 2014-05-27
CN100581727C (zh) 2010-01-20
HK1104259A1 (en) 2008-01-11
US20090120731A1 (en) 2009-05-14
CN1925951A (zh) 2007-03-07
ES2527309T3 (es) 2015-01-22
ATE484357T1 (de) 2010-10-15

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